# !/usr/bin/env python
# -*- coding: utf-8 -*-

if __name__ == '__main__':
    import numpy as np
    import matplotlib.pyplot as plt
    plt.title('math')
    plt.xlim([1, 8])
    plt.ylim([1, 5])
    plt.text(2, 4, r'$ \alpha \beta \pi \lambda \omega $', size=25)
    plt.text(4, 4, r'$ \sin(0)=\cos(\frac{\pi}{2}) $', size=25)
    plt.text(2, 2, r'$ \lim_{x \rightarrow y} \frac{1}{x^3} $', size=25)
    plt.text(4, 2, r'$ \sqrt[4]{x}=\sqrt{y} $', size=25)
    plt.show()
